声速的

With the decrease of Mach number of inflow, the total pressure recovery and the shock angle increase; the number of reflection of shock wave in the duct also increases, but the strength of the shock wave decreases.

对某典型高超声速侧压式进气道三维流场进行了数值分析，就壁面压力分布、波系结构和近壁流谱图与实验结果进行了比较，计算反映了流动的基本特徵。

The paper presents a new type of audible sound velocity measurement system.

研制了一种声频率范围内的声速测量系统。

Based on engineering design method and combined with numerical simulation,an axial symmetry supersonic inlet with boundary layer bleed was designed.

应用工程设计方法，结合数值模拟，设计了一种带有边界层吸除型式的超声速轴对称进气道，对进气道内流场进行了数值模拟研究，并且进行了风洞实验。

The increments of the contraction ratio and the convergence angle strengthen the internal compression.

用N-S方程模拟了一系列典型二元高超声速进气道内压缩通道及隔离段模型，模拟发现内压缩通道及隔离段增压比、温升比和总压恢复系数等性能参数主要受面积收缩比、内压缩通道收缩角、隔离段长高比等几何参数以及内压缩通道进口马赫数、密度、附面层厚度等流动参数的影响。

Jet counterflow is usually used for the motion state control of aerospacecraft such as a missile, a shuttle, a satellite, and a spaceship, etc.

超声速射流逆流通常用于导弹、航天飞机、卫星和飞船等飞行器运动状态的控制。

He found that the sonic surface was, in general , discontinuous

他发现声速面通常是不连续的。

Endothermic hydrocarbon fuel is one of most crucial technologies in the development of hypersonic propellant system.

吸热碳氢燃料及其应用研究已经成为高超声速推进系统研发中的重大关键技术之一。

The three dimensional flow field with inner energy excitation and the variable flow conditions were studied with Direct Simulation of Monte Carlo method.

本文研究了带内能激发松弛和不同来流条件下的复杂外形高超声速飞行器过渡区三维流场特性。

Put forward excellent velocity of sound aero faintness from adaptive control method.

梗概： 提出了高超声速飞行器的模糊自适应控制方法。

A new method of quickly generating hypersonic waverider forebody configurations was developed.

发展了一种基于分析法的高超声速乘波构型飞行器前体设计方法。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新